1 #include <stdio.h>
2 #include <stdlib.h>
3 #include <string.h>
main()4 int main ()
5 {
6 struct a {
7   int x;
8   int y;
9   char z;
10 };
11 
12 struct b {
13   int x;
14   int y;
15 };
16 
17 struct b k;
18 
19 (*((volatile struct a *) &k)).z = 'q';
20 
21 return 0;
22 }
23 /* { dg-output "mudflap violation 1..check/write.*" } */
24 /* { dg-output "Nearby object 1.*" } */
25 /* { dg-output "mudflap object.*.main. k.*" } */
26 /* { dg-do run { xfail *-*-* } } */
27